<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="test"></div>

    <!-- 按顺序引入react库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <script type="text/javascript" src="../js/react-dom.development.js"></script>
    <script type="text/javascript" src="../js/babel.min.js"></script>

    <script type="text/babel">

        //模拟一些数据
        const data = ['Angular','React','vue'];
        //1.创建虚拟DOM
        const VDOM = (
            <div>
                <h1>前端js框架</h1>
                <ul>
                    {
                        //只能写JS表达式；
                        data.map((item,index)=>{
                            return <li key='{index}'>{item}</li>;
                        })
                    }
                    <li>Angular</li>
                    <li>React</li>
                    <li>Vue</li>
                </ul>
            </div>
        );
        //2.渲染虚拟DOM到页面
        ReactDOM.render(VDOM,document.getElementById('test'));
    </script>
</body>
</html>